<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>reject</title>
</head>
<body>
    <script>
        // 无论传入什么 状态都是 失败
        let p1 = Promise.reject(123);
        // 失败的值 [PromiseValue] 为传入Promise结果
        let p2 = Promise.reject(new Promise((resolve,reject)=> {
            resolve('ok');
        }));
        console.log(p2);
    </script>
</body>
</html>